.wux-backdrop {
    background: rgba(0, 0, 0, 0.7);
}

.wux-backdrop,
.wux-backdrop--transparent {
    position: fixed;
    z-index: 3000;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
}

.wux-backdrop--transparent {
    background: transparent;
}
